Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

A grate, in a boiler, is a place in the combustion chamber upon which fuel (wood or coal) is burnt.
A:
True
B:
False
C:
D:
Answer: A
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In water tube boilers
A:
water passes through the tubes which are surrounded by flames and hot gases
B:
the flames and hot gases pass through the tubes which are surrounded by water
C:
forced circulation takes place
D:
none of these
Answer: A
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In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
A:
water space also
B:
chimney
C:
steam space
D:
superheater
Answer: C
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The object of producing draught in a boiler is
A:
to provide an adequate supply of air for the fuel combustion
B:
to exhaust the gases of combustion from the combustion chamber
C:
to discharge the gases of combustion to the atmosphere through the chimney
D:
all of the above
Answer: D
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